1424778489 has 12 divisors (see below), whose sum is σ = 2096844516. Its totient is φ = 931930272.

The previous prime is 1424778461. The next prime is 1424778521. The reversal of 1424778489 is 9848774241.

1424778489 is a `hidden beast` number, since 14 + 2 + 477 + 84 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 679488489 + 745290000 = 26067^2 + 27300^2 .

It is not a de Polignac number, because 1424778489 - 2¹⁶ = 1424712953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1424776489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1493002 + ... + 1493955.

It is an arithmetic number, because the mean of its divisors is an integer number (174737043).

Almost surely, 2^1424778489 is an apocalyptic number.

It is an amenable number.

1424778489 is a deficient number, since it is larger than the sum of its proper divisors (672066027).

1424778489 is a wasteful number, since it uses less digits than its factorization.

1424778489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987016 (or 2987013 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 1424778489 is about 37746.2380774561. The cubic root of 1424778489 is about 1125.2502459606.

The spelling of 1424778489 in words is "one billion, four hundred twenty-four million, seven hundred seventy-eight thousand, four hundred eighty-nine".